support static and dynamic registers, add '%' (filename) and '.' (selection) registers

1 files changed, 4 insertions, 10 deletions

diff --git a/src/register.hh b/src/register.hh
index fc50e44f..c90b7233 100644
--- a/src/register.hh
+++ b/src/register.hh
@@ -1,8 +1,6 @@
 #ifndef register_hh_INCLUDED
 #define register_hh_INCLUDED
 
-#include <vector>
-
 #include "string.hh"
 #include "memoryview.hh"
 
@@ -12,16 +10,12 @@ namespace Kakoune
 class Register
 {
 public:
-    Register& operator=(const memoryview<String>& values);
-
-    const String& operator[](size_t index) const;
+    virtual ~Register() {}
+    virtual Register& operator=(const memoryview<String>& values) = 0;
 
-    operator memoryview<String>() const
-    { return memoryview<String>(m_content); }
-private:
-    std::vector<String> m_content;
+    virtual const String& operator[](size_t index) = 0;
 
-    static const String ms_empty;
+    virtual operator memoryview<String>() = 0;
 };
 
 }